Calculation for 24 copies of the Library of Alexandria (LOA):<p>100,000 (moderate number) scrolls * 10,000 words per scroll * 6 bytes per word = 6 GB<p>Cost of a GB today = ~ 7 cents (again using Matthew Komorowski’s data)<p>Cost of a sandwich: ~ $10<p>Number of LOAs / sandwich = 10 / (6 * 0.07) ~ 24<p>Source for LOA: <a href="http://penelope.uchicago.edu/~grout/encyclopaedia_romana/greece/paganism/library.html" rel="nofollow">http://penelope.uchicago.edu/~grout/encyclopaedia_romana/gre...</a>